Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
244,987 days
From Friday, December 12, 1355 to Saturday, September 12, 2026.
Monday–Friday weekdays174,990
Weeks and days34,998w 1d
Calendar span670 years, 9 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.